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This item is for non-potable (non-human consumption) water applications only.
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Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure.
(based on 44 reviews)
of respondents would recommend this to a friend.
Most Liked Positive Review
No more cold drafts in the kitchen
When my house was built, the gas cooktop was vented out through the slab by an 8" PVC pipe which was just left as an open bricked in hole in the ground. I...Read complete review
When my house was built, the gas cooktop was vented out through the slab by an 8" PVC pipe which was just left as an open bricked in hole in the ground. I covered it with a metal chimney cap to keep pests out, but every winter the cold air blows in through the downdraft on the stove.This 8" damper slid right into the PVC pipe perfectly creating an excellent seal and opens properly when the down draft exaust fan turns on. When the fan stops the damper shuts tight and no more drafts in the kitchen.
Most Liked Negative Review
Works okay after a little tweeking
I installed this in the ductwork from a bathroom fan that I recently put it that has a damper that does not seal very well. Since my duct run was mostly horizontal this damper...Read complete review
I installed this in the ductwork from a bathroom fan that I recently put it that has a damper that does not seal very well. Since my duct run was mostly horizontal this damper would not close 100% of the time and would let a small draft in. I had to take the damper apart and flip the spring around a put a half turn on it to help close the damper doors more securely. I think my bath fan is only an 80 cfm unit it still opens the damper fine. If this is installed in a vertical orientation and gravity would help close it I think it would work fine. Other option is to find a slightly stronger spring.
Reviewed by 44 customers
Displaying reviews 1-10
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Exactly as described
from Chicago IL NW Suburbs
Comments about RSK Series 5" Duct Backdraft Damper:
Product was exactly as described.
Bottom Line Yes, I would recommend this to a friend
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(1 of 1 customers found this review helpful)
Comments about RSK Series 6" Duct Backdraft Damper:
Do it your self and save hundreds. Contractors leave them out to save money or when you have bug proublems they will add them for a price.
"I would buy this product again and again"
from Naperville, IL
easy to install, low price
I would buy this product again and again
Comments about RSK Series 4" Duct Backdraft Damper:
connected at the bathroom fan for back draft and it works. plus i don't loose any heat through the fan duct.
I would buy this product again. Good Q.C
from Jessup Pa
Product was delivered faster than expected , the very next day. Excellent quality , and fit with existing ductwork. This is a repeat purchase and I would buy again.
works like it should!
from Kirkland, WA
I added a portable heat pump to my garage that requires ducting outside. This unit works great to prevent outside air infiltration.
Good for horizontal or vertical use
from Keene, NH
We installed a through the wall fan and used this backdraft damper. Because it has a spring to assist in closing the damper, it works in the horizontal orientation. This works very well and it avoids a cold air draft coming back into the house when the fan is off.
Damper worked great
By Scott the Carpenter
Good company to order these items. Shipped very quickly.
from Rochester, ny
10 dryers connected together were back drafting together, now they are working correctly
from new bern nc
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